pgpool_adm_pcp_node_count(3)

a function to retrieves number of backend nodes.

Section 3 pgpool2 bookworm source

Description

PGPOOL_ADM_PCP_NODE_COUNT

NAME

pgpool_adm_pcp_node_count - a function to retrieves number of backend nodes.

SYNOPSIS

	pcp_node_count returns integer(text host, integer port, text username, text password);
	pcp_node_count returns integer(text pcp_server);

DESCRIPTION

pcp_node_count retrieves number of DB nodes.

ARGUMENTS

pcp_server

The foreign server name for pcp server.

Other arguments

See pcp_common_options(1).

EXAMPLE

Here is an example output:

test=# SELECT * FROM pcp_node_count(host => 'localhost', port => 11001, username => 't-ishii', password => 't-ishii');
node_count
------------
2
(1 row)